Question

If The size of a nucleus is scaled up to the tip of a sharp pin, what roughly is the size of an atom ? Assume tip of the pin to be in the range 10^-5 to 10^-5 m​

Answer 1

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The Size of the nucleus is in the range 10^-15 m and 10^-14 m .

The tip of a sharp pin taken to be in the range of 10^-5 m and 10^-4 m . Thus we are scaling up by a factor of 10^10 . An atom roughly of size 10^-10 m will be scaled up to a size of 1 m .

Thus a nucleus in an atom is as small in size as the tip of a sharp pin placed at the centre of a sphere of radius about a metre long..

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Answer 2

Answer:

The ratio of size of atom by size of nucleus is always remains same

Size of a atom is 10*-10m

Size of nucleus is 10*-15m

New size of nucleus is 10*-5m

Let new size of atom is x

10*-10/10*-15 = x/10*-5

By solving we get

x = 1m

Therefore new size of atom is 1m.